diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -50,6 +50,7 @@
     kdelibs4migrationtest.cpp
     kdelibs4configmigratortest.cpp
     kprocesslisttest.cpp
+    klistopenfilestest.cpp
     LINK_LIBRARIES Qt5::Test KF5::CoreAddons
 )
 
diff --git a/autotests/klistopenfilestest.h b/autotests/klistopenfilestest.h
new file mode 100644
--- /dev/null
+++ b/autotests/klistopenfilestest.h
@@ -0,0 +1,35 @@
+/*
+ *  This file is part of the KDE project
+ *  Copyright (C) 2019 David Hallas <david@davidhallas.dk>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KLISTOPENFILESTEST_H
+#define KLISTOPENFILESTEST_H
+
+#include <QObject>
+
+class KListOpenFilesTest : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+    void testOpenFiles();
+    void testNoOpenFiles();
+    void testNonExistingDir();
+};
+
+#endif
diff --git a/autotests/klistopenfilestest.cpp b/autotests/klistopenfilestest.cpp
new file mode 100644
--- /dev/null
+++ b/autotests/klistopenfilestest.cpp
@@ -0,0 +1,91 @@
+/*
+ *  This file is part of the KDE project
+ *  Copyright (C) 2019 David Hallas <david@davidhallas.dk>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+*/
+
+#include "klistopenfilestest.h"
+#include "klistopenfiles.h"
+#include <QCoreApplication>
+#include <QEventLoop>
+#include <QTemporaryDir>
+#include <QTest>
+#include <QTimer>
+#include <algorithm>
+
+QTEST_MAIN(KListOpenFilesTest)
+
+void KListOpenFilesTest::testOpenFiles()
+{
+    QEventLoop eventLoop;
+    QTimer delayedStart;
+    KProcessList::KProcessInfoList processInfoList;
+    delayedStart.singleShot(0, [&eventLoop, &processInfoList]()
+    {
+        KListOpenFiles::listProcessesWithOpenFiles(QCoreApplication::applicationDirPath(), [&eventLoop, &processInfoList](KProcessList::KProcessInfoList _processInfoList)
+        {
+            processInfoList = _processInfoList;
+            eventLoop.exit();
+        });
+    });
+    eventLoop.exec();
+    QVERIFY(processInfoList.empty() == false);
+    auto testProcessIterator = std::find_if(processInfoList.begin(), processInfoList.end(), [](const KProcessList::KProcessInfo& info)
+    {
+        return info.pid() == QCoreApplication::applicationPid();
+    });
+    QVERIFY(testProcessIterator != processInfoList.end());
+    const auto& processInfo = *testProcessIterator;
+    QVERIFY(processInfo.isValid() == true);
+    QCOMPARE(processInfo.pid(), QCoreApplication::applicationPid());
+}
+
+void KListOpenFilesTest::testNoOpenFiles()
+{
+    QTemporaryDir tempDir;
+    QEventLoop eventLoop;
+    QTimer delayedStart;
+    KProcessList::KProcessInfoList processInfoList;
+    delayedStart.singleShot(0, [&tempDir, &eventLoop, &processInfoList]()
+    {
+        KListOpenFiles::listProcessesWithOpenFiles(tempDir.path(), [&eventLoop, &processInfoList](KProcessList::KProcessInfoList _processInfoList)
+        {
+            processInfoList = _processInfoList;
+            eventLoop.exit();
+        });
+    });
+    eventLoop.exec();
+    QVERIFY(processInfoList.empty() == true);
+}
+
+void KListOpenFilesTest::testNonExistingDir()
+{
+    QTemporaryDir tempDir;
+    tempDir.remove();
+    QEventLoop eventLoop;
+    QTimer delayedStart;
+    KProcessList::KProcessInfoList processInfoList;
+    delayedStart.singleShot(0, [&tempDir, &eventLoop, &processInfoList]()
+    {
+        KListOpenFiles::listProcessesWithOpenFiles(tempDir.path(), [&eventLoop, &processInfoList](KProcessList::KProcessInfoList _processInfoList)
+        {
+            processInfoList = _processInfoList;
+            eventLoop.exit();
+        });
+    });
+    eventLoop.exec();
+    QVERIFY(processInfoList.empty() == true);
+}
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
--- a/src/lib/CMakeLists.txt
+++ b/src/lib/CMakeLists.txt
@@ -88,6 +88,7 @@
     util/kdelibs4configmigrator.cpp
     util/kformat.cpp
     util/kformatprivate.cpp
+    util/klistopenfiles.cpp
     util/kosrelease.cpp
     util/kprocesslist.cpp
     util/kshell.cpp
@@ -247,6 +248,7 @@
       text/ktexttohtml.h
       text/ktexttohtmlemoticonsinterface.h
       util/kformat.h
+      util/klistopenfiles.h
       util/kosrelease.h
       util/kprocesslist.h
       util/kuser.h
diff --git a/src/lib/util/klistopenfiles.h b/src/lib/util/klistopenfiles.h
new file mode 100644
--- /dev/null
+++ b/src/lib/util/klistopenfiles.h
@@ -0,0 +1,44 @@
+/*
+ *  This file is part of the KDE project
+ *  Copyright (C) 2019 David Hallas <david@davidhallas.dk>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KLISTOPENFILES_H
+#define KLISTOPENFILES_H
+
+#include <kcoreaddons_export.h>
+#include <kprocesslist.h>
+#include <QDir>
+#include <functional>
+
+namespace KListOpenFiles
+{
+
+typedef std::function<void (KProcessList::KProcessInfoList)> Callback;
+/**
+ * @brief Retrieves list of processes that has open files in path or any subdirectory of path. The function
+ * will collect all processes and call callback once it is done. If an error occurs callback will be called
+ * with an empty list.
+ * @param path The path to list processes with open files from
+ * @param callback The callback to call with the list of processes
+ * @since 5.60
+ */
+KCOREADDONS_EXPORT void listProcessesWithOpenFiles(QDir path, Callback callback);
+
+} // KListOpenFiles namespace
+
+#endif // KLISTOPENFILES_H
diff --git a/src/lib/util/klistopenfiles.cpp b/src/lib/util/klistopenfiles.cpp
new file mode 100644
--- /dev/null
+++ b/src/lib/util/klistopenfiles.cpp
@@ -0,0 +1,52 @@
+/*
+ *  This file is part of the KDE project
+ *  Copyright (C) 2019 David Hallas <david@davidhallas.dk>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+*/
+
+#include "klistopenfiles.h"
+#include <QProcess>
+#include <QString>
+
+namespace KListOpenFiles {
+
+void listProcessesWithOpenFiles(QDir path, Callback callback)
+{
+    QProcess *p = new QProcess;
+    QObject::connect(p, static_cast<void (QProcess::*)(QProcess::ProcessError)>(&QProcess::error), [p, callback](QProcess::ProcessError) {
+        p->deleteLater();
+        callback({});
+    });
+    QObject::connect(p, static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished), [p, callback](int,QProcess::ExitStatus) {
+        QStringList blockApps;
+        QString out(QString::fromLocal8Bit(p->readAll()));
+        QStringList pidList = out.split(QRegExp(QStringLiteral("\\s+")), QString::SkipEmptyParts);
+        pidList.removeDuplicates();
+        KProcessList::KProcessInfoList processInfoList;
+        for (const auto& pidStr : pidList) {
+            qint64 pid = pidStr.toLongLong();
+            if (!pid) {
+                continue;
+            }
+            processInfoList << KProcessList::processInfo(pid);
+        }
+        p->deleteLater();
+        callback(processInfoList);
+    });
+    p->start(QStringLiteral("lsof"), {QStringLiteral("-t"), QStringLiteral("+d"), path.path()});
+}
+
+}